Gruntfile.js

/* jshint node: true */
'use strict';

var auth = require('./.auth.json');
var exec = require('sync-exec');

module.exports = function(grunt) {

  grunt.loadNpmTasks('grunt-screeps');
  grunt.loadNpmTasks('grunt-contrib-jshint');
  grunt.loadNpmTasks('grunt-contrib-concat');
  grunt.loadNpmTasks('grunt-contrib-watch');

  grunt.registerTask('default', ['test', 'upload']);
  grunt.registerTask('test', ['concat', 'jshint']);
  grunt.registerTask('upload', ['concat', 'screeps']);

  var branch = exec('ref=$(git symbolic-ref HEAD 2> /dev/null);echo ${ref#refs/heads/}').stdout.replace(/\n$/, '');

    grunt.initConfig({
      watch: {
        scripts: {
          files: ['src/*.js', 'spec/*.js'],
          tasks: ['test'],
          options: {
            spawn: true
          }
        }
      },

      jshint: {
        all: ['dist/main.js'],
        options: grunt.file.readJSON('package.json').jshintConfig
      },

      concat: {
        options: {
          separator: '\n'
          },
        dist: {
          src: ['src/*.js'],
          dest: 'dist/main.js'
        }
      },
      screeps: {
        options: {
          email: auth.username,
          password: auth.password,
          branch: (grunt.option('branch') || branch)
          },
        dist: {
          src: ['dist/main.js']
          }
        }
    });
}